Pritchard Brown & Chillicothe Metal

Pritchard Brown & Chillicothe Metal was compromised in a ransomware attack attributed to interlock in October 2025. The organization, operating in the Manufacturing sector in United States, was added to the group's data leak site as part of an extortion campaign.

interlock operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

https://www.pritchardbrown.com & https://www.cmcousa.com Pritchard Brown and Chillicothe Metal Company (CMCO) are two manufacturers that collaborate to develop comprehensive solutions in the field of protective enclosures and microclimate control systems. Founded in 1947, Pritchard Brown specializes in custom-designed protective enclosures, offering a range of weatherproof, weather-resistant, and noise-absorbing models specifically designed for harsh operating environments. With over 50 years of experience, Chillicothe Metal Company complements Pritchard Brown's offerings by specializing in protective enclosures and complete generator sets. Operating in a wide range of industries, including energy, utilities, petrochemical, mining, and defense, CMCO has completed more than 40,000 projects at facilities around the world. Its expertise in design, engineering, and manufacturing is evidenced by its work on high-profile projects such as the Statue of Liberty and NASA.

Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-20131, which may have been leveraged as initial access vectors or for lateral movement.